Abstract

Case Report

Carotid artery disease: AngioCT features

Joana Ferreira*, Olinda Miranda, Alexandre Lima Carneiro, Sandrina Braga, João Correia Simões, Celso Carrilho, Amílcar Mesquita and Jorge Cotter

Published: 26 July, 2019 | Volume 3 - Issue 2 | Pages: 059-060

The objective of this paper is to emphasis the AngioCT features of carotid dissection/mural hematoma. The image show an internal carotid artery with narrowly eccentric lumen surrounded by a crescent-shaped hypodense mural thickening, with a visibly enhancing vessel wall. The carotid hematoma is a hypodense mural thickening that leads to expansion of the arterial wall, compression of the lumen and release of thrombogenic factors by intimal damage. Hematoma between the intima and media causes vessel expansion diameter and a narrow eccentric lumen. Peripheral hyper density is due to the contrast enhancement of the vasa vasorum in the adventitial layer. The physician should be familiar with the imagiologic features of carotid arterial disease, due to the diferent treatment options.

Read Full Article HTML DOI: 10.29328/journal.ascr.1001035 Cite this Article Read Full Article PDF

Keywords:

Carotid artery; Dissection; Mural hematoma; Atherosclerosis; AngioCT; Stenosis

References

  1. Patel RR, Adam R, Maldjian C, Lincoln CM, Yuen A, et al. Cervical Carotid Artery Dissection: Current Review of Diagnosis and Treatment. Cardiol Rev. 2012; 20: 145-152. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/22301716  
  2. Rodallec MH, Marteau V, Gerber S, Desmottes L, Zins M. Craniocervical Arterial Dissection: Spectrum of Imaging Findings and Differential Diagnosis. Radiographics. 2008; 28: 1711-1728. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/18936031  
  3. Vilela P, Goulão A. Cervical and intracranial arterial dissection: review of the acute clinical presentation and imaging of 48 cases. Acta Med Port. 2003; 16: 155-164. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/12868394  
  4. Thanvi B, Munshi SK, Dawson SL, Robinson TG. Carotid and Vertebral Artery Dissection Syndromes. Postgrad Med J. 2005; 81: 383-388. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/15937204   
  5. Selwaness M, Bouwhuijsen Q, Onkelen R, Hofman A, Franco O, et al. Atherosclerotic Plaque in the Left Carotid Artery Is More Vulnerable Than in the Right. Stroke. 2014; 45: 3226-3230. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/25228259
  6. U-King-Im JM, Fox AJ, Aviv RI, Howard P, Yeung R, et al. Characterization of Carotid Plaque Hemorrhage. a CT Angiography and MR Intraplaque Hemorrhage Study. Stroke. 2010; 41: 1623-1629. PubMed: https://www.ncbi.nlm.nih.gov/pubmed/20576955

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